From: Jens Vollinga <jensv@balin.nikhef.nl>
Date: Thu, 6 Nov 2008 13:13:54 +0000 (+0100)
Subject: Revert "[portability] GiNaC::compile_ex works on OpenBSD now."
X-Git-Tag: release_1-5-0~28
X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=commitdiff_plain;h=a6854a8a0f1e5db722320f5d7ccb9097053500cf

Revert "[portability] GiNaC::compile_ex works on OpenBSD now."

This reverts commit 375a7aa1f13fa6061c278eb2c2447fd91521b45d.
---

diff --git a/acinclude.m4 b/acinclude.m4
index 06ac032a..78c3bdb7 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -187,29 +187,16 @@ case $host_os in
 esac
 
 if test "$CONFIG_EXCOMPILER" = "yes"; then
-	AC_CHECK_HEADER([dlfcn.h], [CONFIG_EXCOMPILER="yes"], [CONFIG_EXCOMPILER="no"])
+	AC_CHECK_LIB(dl, dlopen, [
+		DL_LIBS="-ldl"
+		AC_DEFINE(HAVE_LIBDL, 1, [set to 1 if you have a working libdl installed.])],
+
+		[AC_MSG_WARN([libdl not found. GiNaC::compile_ex will be disabled.])
+		 CONFIG_EXCOMPILER="no"])
 elif test "$CONFIG_EXCOMPILER" = "no"; then
-	AC_MSG_NOTICE([GiNaC::compile_ex disabled at user request.])
+	AC_MSG_RESULT([INFO: GiNaC::compile_ex disabled at user request.])
 else
-	AC_MSG_NOTICE([GiNaC::compile_ex is not supported on $host_os.])
-fi
-	
-if test "$CONFIG_EXCOMPILER" = "yes"; then
-	dnl Some systems (GNU/Linux, Solaris) have dlopen in -ldl, some
-	dnl others (OpenBSD) -- in libc
-	found_dlopen_lib="no"
-	DL_LIBS="-ldl"
-	AC_CHECK_LIB(dl, dlopen, [found_dlopen_lib="yes"])
-	if test "$found_dlopen_lib" = "no"; then
-		DL_LIBS=""
-		AC_CHECK_FUNC(dlopen, [found_dlopen_lib="yes"])
-	fi
-	if test "$found_dlopen_lib" = "no"; then
-		CONFIG_EXCOMPILER="no"
-		AC_MSG_WARN([Could not found working dlopen(). GiNaC::compile_ex will be disabled.])
-	else
-		AC_DEFINE(HAVE_LIBDL, 1, [set to 1 if dlopen() works.])
-	fi
+	AC_MSG_RESULT([INFO: GiNaC::compile_ex is not supported on $host_os.])
 fi
 AC_SUBST(DL_LIBS)
 AC_SUBST(CONFIG_EXCOMPILER)])